#1F041B
Closest named color: Very Dark Purple (#2A0134). oklch(17.4% 0.061 334), rgb(31, 4, 27).
Aa
White text reads best on this color (19.24:1).
About this color
#1F041B is a very dark, muted purple. In OKLCH its lightness is 17%, its chroma 0.061 and its hue 334°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Very Dark Purple (#2A0134), ΔE 0.056 away. White text reads best on it, at 19.24:1.
| Hue family | Purples |
| Lightness | very dark (17%) |
| Chroma | muted (0.061) |
| Temperature | in between |
| Nearest name | Very Dark Purple (#2A0134) |
| Black text | 1.09:1 |
| White text | 19.24:1 |
Values
| HEX | #1F041B |
| RGB | rgb(31, 4, 27) |
| HSL | hsl(309, 77%, 7%) |
| OKLCH | oklch(17.4% 0.061 334) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #1F041B | 19.24:1 | AAA | Lc -107.3 | Preferred for body text |
| Black text on #1F041B | 1.09:1 | Fails | Lc 0.0 | Not readable |
| #1F041B text on white | 19.24:1 | AAA | Lc 105.3 | Preferred for body text |
| #1F041B text on black | 1.09:1 | Fails | Lc 0.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.
-
Step 50
50
#FAF3F8
oklch(97.1% 0.01 335.5)
-
Step 100
100
#F3E5F0
oklch(93.6% 0.021 332.9)
-
Step 200
200
#EBD0E4
oklch(88.6% 0.04 335)
-
Step 300
300
#DEB0D4
oklch(80.9% 0.071 334)
-
Step 400
400
#CC84BE
oklch(70.6% 0.116 334)
-
Step 500
500
#BE63AE
oklch(63.1% 0.149 334.2)
-
Step 600
600
#A94899
oklch(55.6% 0.161 334.3)
-
Step 700
700
#903883
oklch(49% 0.15 333.8)
-
Step 800
800
#75306A
oklch(42.7% 0.123 334.1)
-
Step 900
900
#5F2B56
oklch(37.7% 0.096 334.3)
-
Step 950
950 (this color)
#1F041B
oklch(17.4% 0.061 334)
#1F041B with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #040C1C | 0.065 |
| Deuteranopia (no green cones) | #0C101A | 0.056 |
| Tritanopia (no blue cones) | #21060E | 0.031 |
| Achromatopsia (no color) | #0E0E0E | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F041B
#1F041B
oklch(17.4% 0.061 334)
- #001607
#001607
oklch(17.6% 0.045 153.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1F041B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Purple #2A0134 ΔE 0.056
- Midnight Purple #280137 ΔE 0.060
- Very Dark Brown #1D0200 ΔE 0.063
- Almost Black #070D0D ΔE 0.072
- Rich Navy #001219 ΔE 0.078
- Eggplant #380835 ΔE 0.080
- Rich Black #0D1B2A ΔE 0.080
- Dark Maroon #3C0008 ΔE 0.083
Use #1F041B in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.